Safety Guidelines - Takagi T-H2-DV Installation Manual And Owner's Manual

SAFETY GUIDELINES

1. Follow all local codes, or in the absence of local codes, follow the most recent edition of the
National Fuel Gas Code: ANSI Z223.1/NFPA 54 in the USA or CAN/CSA B149.1 Natural Gas, Propane
Installation Code in Canada.
2.
Properly ground the unit in accordance with all local codes or in the absence of local codes, with
the National Electrical Codes: ANSI/NFPA 70 in the USA or CSA standard C22.1 Canada Electrical
Code Part 1 in Canada.
3. Carefully plan where you intend to install your T H2 DV/T H2 OS Water Heater. Please ensure:
x Your water heater will have enough combustible air and proper
ventilation.
x Locate your heater where water leakage will not damage
surrounding areas (please refer to p. 5).
4.
Check the rating plate for the correct GAS TYPE, GAS PRESSURE, WATER
PRESSURE and ELECTRIC RATING.
*If this unit does not match your requirements, do not install and
consult with TAKAGI.
5.
If any problem should occur, turn off all hot water taps and turn off the
gas. Then call a trained technician or the Gas Company or the
manufacturer.
x
x Water temperatures over 125°F can cause severe burns instantly or death from scalding. The
water temperature is set at 120°F (49°C) from the factory to minimize any scalding risk. Before
bathing or showering always check the water temperature.
x
Do not store or use gasoline or other flammables, vapors, or liquids in the vicinity
of this appliance.
x
Do not reverse the water and/or gas connections as this will damage the gas
valves and can cause severe injury or death. Follow the diagram on p. 19 when
installing your water heater:
x
Prohibited
Do not use this appliance if any part has been in contact with or been immersed in
water. Immediately call a licensed plumber, a licensed gas fitter, or a professional
service technician to inspect and/or service the unit if necessary.
x
Do not disconnect the electrical supply if the ambient temperature will drop
below freezing. The Freeze Prevention System only works if the unit has electrical
power. The warranty will not be covered if the heat exchanger is damaged due to
freezing. Refer to the section on the Freeze Prevention System on p. 39 for more
information.
GENERAL
WARNING
4
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Safety Guidelines
RATING PLATE